//
//  proto_raw.c
//  Sigma raw protocol code
//
//  Copyright (c) 2011, Neil Alexander T.
//  All rights reserved.
// 
//  Redistribution and use in source and binary forms, with
//  or without modification, are permitted provided that the following
//  conditions are met:
// 
//  - Redistributions of source code must retain the above copyright notice,
//    this list of conditions and the following disclaimer.
//  - Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
// 
//  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
//  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
//  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
//  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
//  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
//  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
//  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
//  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
//  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
//  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
//  POSSIBILITY OF SUCH DAMAGE.
//

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "../types.h"

static int proto_encode(sigma_proto *instance, unsigned char* input, unsigned char* output, unsigned int len)
{
	memcpy(output, input, len);
	return len;
}

static int proto_decode(sigma_proto *instance, unsigned char* input, unsigned char* output, unsigned int len)
{
	memcpy(output, input, len);
	return len;
}

static int proto_init(sigma_proto *instance)
{
	return 0;
}

extern sigma_proto* proto_descriptor()
{
	sigma_proto* proto_raw = calloc(1, sizeof(sigma_proto));
	
	proto_raw->encrypted = 0;
	proto_raw->stateful = 0;
	proto_raw->init = proto_init;
	proto_raw->encode = proto_encode;
	proto_raw->decode = proto_decode;
	proto_raw->reload = NULL;
	proto_raw->state = 0;

	return proto_raw;
}
